Mini Australian Shepherd Weight Calculator

Mini Australian Shepherd Weight Calculator :root { –primary-color: #004a99; –success-color: #28a745; –background-color: #f8f9fa; –text-color: #333; –border-color: #ddd; –card-background: #fff; –shadow: 0 4px 8px rgba(0,0,0,0.1); } body { font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; background-color: var(–background-color); color: var(–text-color); line-height: 1.6; margin: 0; padding: 20px; display: flex; justify-content: center; } .container { max-width: 960px; width: 100%; background-color: var(–card-background); padding: 30px; border-radius: 8px; box-shadow: var(–shadow); margin: 0 auto; } h1, h2, h3 { color: var(–primary-color); text-align: center; margin-bottom: 20px; } h1 { font-size: 2.2em; } h2 { font-size: 1.8em; margin-top: 30px; } h3 { font-size: 1.4em; margin-top: 25px; } .calculator-section { background-color: var(–card-background); padding: 25px; border-radius: 8px; box-shadow: var(–shadow); margin-bottom: 30px; } .loan-calc-container { display: flex; flex-direction: column; gap: 20px; } .input-group { display: flex; flex-direction: column; gap: 8px; margin-bottom: 15px; } .input-group label { font-weight: bold; color: var(–primary-color); font-size: 1.1em; } .input-group input[type="number"], .input-group select { padding: 12px 15px; border: 1px solid var(–border-color); border-radius: 5px; font-size: 1em; box-sizing: border-box; /* Include padding and border in the element's total width and height */ width: 100%; } .input-group input[type="number"]:focus, .input-group select:focus { outline: none; border-color: var(–primary-color); box-shadow: 0 0 0 2px rgba(0, 74, 153, 0.2); } .input-group .helper-text { font-size: 0.85em; color: #666; margin-top: 5px; } .error-message { color: #dc3545; font-size: 0.85em; margin-top: 5px; min-height: 1.2em; /* Reserve space for the error message */ } .button-group { display: flex; gap: 15px; margin-top: 20px; justify-content: center; flex-wrap: wrap; /* Allow buttons to wrap on smaller screens */ } .btn { padding: 12px 25px; border: none; border-radius: 5px; cursor: pointer; font-size: 1em; font-weight: bold; transition: background-color 0.3s ease, transform 0.2s ease; text-decoration: none; /* For link buttons */ display: inline-block; /* For link buttons */ text-align: center; } .btn-primary { background-color: var(–primary-color); color: white; } .btn-primary:hover { background-color: #003366; transform: translateY(-1px); } .btn-secondary { background-color: #6c757d; color: white; } .btn-secondary:hover { background-color: #5a6268; transform: translateY(-1px); } .results-container { margin-top: 30px; padding: 25px; border: 1px solid var(–border-color); border-radius: 8px; background-color: #eef2f7; /* Slightly different background for results */ box-shadow: inset 0 2px 4px rgba(0,0,0,0.05); } .results-container h3 { margin-top: 0; color: var(–primary-color); text-align: left; } .primary-result { font-size: 2em; font-weight: bold; color: var(–success-color); text-align: center; margin: 15px 0; padding: 15px; background-color: var(–card-background); border: 2px dashed var(–success-color); border-radius: 5px; } .intermediate-results div { display: flex; justify-content: space-between; padding: 8px 0; border-bottom: 1px dashed var(–border-color); font-size: 1.1em; } .intermediate-results div:last-child { border-bottom: none; } .intermediate-results span:first-child { font-weight: bold; color: #555; } .intermediate-results span:last-child { font-weight: bold; color: var(–primary-color); } .formula-explanation { font-size: 0.9em; color: #555; margin-top: 15px; padding-top: 15px; border-top: 1px solid var(–border-color); } .chart-container { margin-top: 30px; padding: 25px; background-color: var(–card-background); border-radius: 8px; box-shadow: var(–shadow); text-align: center; } canvas { max-width: 100%; height: auto; } .chart-caption { font-size: 0.9em; color: #555; margin-top: 10px; display: block; } table { width: 100%; border-collapse: collapse; margin-top: 20px; font-size: 0.95em; box-shadow: var(–shadow); } th, td { padding: 12px 15px; text-align: left; border: 1px solid var(–border-color); } thead { background-color: var(–primary-color); color: white; } tbody tr:nth-child(even) { background-color: #f2f6fa; } .table-caption { font-size: 0.9em; color: #555; margin-top: 10px; display: block; } .article-content { margin-top: 40px; background-color: var(–card-background); padding: 30px; border-radius: 8px; box-shadow: var(–shadow); } .article-content p, .article-content ul, .article-content ol { margin-bottom: 20px; } .article-content li { margin-bottom: 10px; } .article-content a { color: var(–primary-color); text-decoration: none; font-weight: bold; } .article-content a:hover { text-decoration: underline; } /* Responsive adjustments */ @media (min-width: 768px) { .button-group { justify-content: center; } }

Mini Australian Shepherd Weight Calculator

Estimate your Mini Aussie puppy's adult weight and track their growth.

Puppy Growth Estimator

Enter the puppy's age in full months (e.g., 3 for 3 months old).
Enter the puppy's current weight in kilograms.
Early (0-6 Months) Mid (7-12 Months) Late (13+ Months)
Select the current growth phase of your puppy.

Your Mini Aussie's Estimated Adult Weight

Formula Explanation: Adult weight is estimated by multiplying the puppy's current weight by a growth factor derived from its age and breed growth stage. This is a simplified model. The early stage uses a higher factor, mid-stage a moderate factor, and late-stage a lower factor.

Growth Chart

Estimated growth trajectory for your Mini Australian Shepherd.

Typical Mini Australian Shepherd Weight Ranges

Age (Months) Typical Weight Range (kg)
1 0.9 – 1.8
2 1.4 – 2.7
3 1.8 – 3.6
4 2.3 – 4.5
5 2.7 – 5.0
6 3.2 – 5.4
9 4.1 – 6.4
12 4.5 – 6.8
18 5.0 – 7.7
General weight guidelines for Mini Australian Shepherds. Individual dogs may vary.

Mini Australian Shepherd Weight Calculator: Understanding Your Puppy's Growth

What is a Mini Australian Shepherd Weight Calculator?

A Mini Australian Shepherd weight calculator is a specialized tool designed to estimate the future adult weight of a Mini Australian Shepherd puppy. It uses data such as the puppy's current age, its current weight, and its current growth stage to project a likely weight range once the dog reaches maturity. These calculators are valuable for new puppy owners, breeders, and veterinarians to monitor growth, identify potential issues, and ensure the puppy is developing within healthy parameters for the breed. It's important to remember that these are estimates, as individual genetics, diet, exercise, and health play significant roles in a dog's final size.

Who should use it: This calculator is most beneficial for owners of Mini Australian Shepherd puppies between the ages of 1 month and 12 months. It can also be helpful for breeders monitoring litters and veterinarians seeking a quick estimation tool. Even owners of slightly older puppies (up to 18 months) might find it useful for understanding their dog's growth trajectory, though its accuracy diminishes significantly past the primary growth period.

Common misconceptions: A common misconception is that this calculator provides an exact final weight. It's an estimate, not a guarantee. Another is that it can diagnose health problems; while significant deviations from the estimated range might warrant a vet visit, the calculator itself doesn't diagnose. Some may also believe all Mini Aussies reach the same weight, ignoring the significant genetic and environmental factors that influence individual growth.

Mini Australian Shepherd Weight Calculator Formula and Mathematical Explanation

The Mini Australian Shepherd weight calculator utilizes a simplified growth model based on empirical data and breed-specific growth patterns. The core idea is that a puppy's current weight, when multiplied by a specific growth factor, provides an estimate of its adult weight. This growth factor changes depending on the puppy's age and its stage of development.

Step-by-step derivation:

  1. Input Gathering: The calculator first collects the puppy's current age (in months), current weight (in kg), and selects its current growth stage (Early: 0-6 months, Mid: 7-12 months, Late: 13+ months).
  2. Growth Factor Determination: Based on the selected growth stage, a specific multiplier (growth factor) is applied. These factors are generalized averages for the breed.
    • Early Stage (0-6 months): Higher multiplier (e.g., ~2.0-2.5) reflecting rapid growth.
    • Mid Stage (7-12 months): Moderate multiplier (e.g., ~1.5-2.0) indicating continued but slowing growth.
    • Late Stage (13+ months): Lower multiplier (e.g., ~1.1-1.4) for finishing growth or reaching adult size.
    (Note: The exact factors used in the calculator's code are approximations based on common growth charts and may vary slightly.)
  3. Estimated Weight Calculation: The current weight is multiplied by the determined growth factor to get a primary estimated adult weight.
  4. Weight Range Calculation: To provide a more realistic range, the calculator applies a variation (e.g., +/- 10-15%) to the primary estimated weight, creating a minimum and maximum projected weight.

Variables Explanation:

Variable Meaning Unit Typical Range
Puppy Age Age of the puppy since birth. Months 0 – 18+
Current Weight The puppy's weight at the time of calculation. Kilograms (kg) 0.5 – 7.0 (approx. for Mini Aussies)
Growth Stage The phase of physical development the puppy is in. Categorical (Early, Mid, Late) N/A
Growth Factor A multiplier reflecting the expected remaining growth. Unitless ~1.1 – 2.5 (varies by stage)
Estimated Adult Weight Projected weight of the dog at maturity. Kilograms (kg) 4.5 – 7.7 (typical for breed)
Weight Range Min/Max Lower and upper bounds of the projected adult weight. Kilograms (kg) Varies based on estimate

Practical Examples (Real-World Use Cases)

Let's see how the Mini Australian Shepherd weight calculator works with realistic scenarios:

Example 1: A Young, Growing Puppy

Scenario: Sarah has a 4-month-old Mini Aussie puppy named Blue. Blue currently weighs 3.0 kg. Sarah is concerned he might be a bit small and wants to know if he'll reach a typical adult size.

  • Inputs:
    • Puppy Age: 4 Months
    • Current Weight: 3.0 kg
    • Growth Stage: Early (0-6 Months)
  • Calculator Output:
    • Estimated Adult Weight: 6.3 kg
    • Estimated Weight Range: 5.6 kg – 7.0 kg
    • Growth Factor Used: 2.1
  • Interpretation: The calculator estimates Blue will likely reach an adult weight between 5.6 kg and 7.0 kg, with a midpoint of 6.3 kg. Since his current weight is on the lower side for a 4-month-old, this projection indicates he's on track to reach a healthy, standard adult weight for the breed. Sarah should continue monitoring his growth and ensure he receives appropriate nutrition.

Example 2: A Nearly Mature Puppy

Scenario: Mark has a 10-month-old Mini Aussie named Daisy. Daisy currently weighs 5.5 kg. Mark wants to understand if she's nearing her final adult weight.

  • Inputs:
    • Puppy Age: 10 Months
    • Current Weight: 5.5 kg
    • Growth Stage: Mid (7-12 Months)
  • Calculator Output:
    • Estimated Adult Weight: 8.8 kg
    • Estimated Weight Range: 7.9 kg – 9.7 kg
    • Growth Factor Used: 1.6
  • Interpretation: The calculator estimates Daisy will likely reach an adult weight between 7.9 kg and 9.7 kg, with a midpoint of 8.8 kg. This projection suggests Daisy might grow a bit larger than the typical average weight range (4.5-6.8 kg), potentially indicating she's a larger-framed Mini Aussie or a mix with a slightly larger breed. Mark should consult his vet to ensure this growth pattern is healthy and discuss optimal nutrition for her continued development. It's also important to note that the growth factor for this age is lower, reflecting slower growth.

How to Use This Mini Australian Shepherd Weight Calculator

Using the Mini Australian Shepherd weight calculator is straightforward:

  1. Enter Puppy's Age: Input the puppy's age in full months. For example, if your puppy is 5 months and 2 weeks old, enter '5'.
  2. Enter Current Weight: Provide your puppy's current weight in kilograms. Be as accurate as possible.
  3. Select Growth Stage: Choose the stage that best describes your puppy's current development:
    • Early (0-6 Months): Rapid growth phase.
    • Mid (7-12 Months): Continued growth, but at a slower pace.
    • Late (13+ Months): Growth is slowing considerably or has nearly stopped.
  4. Click 'Calculate': Press the calculate button to see the estimated adult weight.

How to read results:

  • Estimated Adult Weight: This is the most likely weight your Mini Aussie will reach.
  • Estimated Weight Range: This provides a lower and upper bound, acknowledging that individual growth varies.
  • Growth Factor Used: Indicates which multiplier was applied based on the growth stage, giving insight into the calculation logic.

Decision-making guidance: Compare the results to the typical weight ranges provided. If your puppy's projected weight is significantly outside the typical range (either much higher or lower), it's a good idea to consult your veterinarian. This calculator can help you anticipate nutritional needs and discuss any potential concerns with your vet early on. Remember to use the 'Reset' button to clear fields and start a new calculation.

Key Factors That Affect Mini Australian Shepherd Results

While our Mini Australian Shepherd weight calculator provides a useful estimate, several crucial factors can influence your puppy's actual adult weight:

  1. Genetics: This is perhaps the most significant factor. The genetic makeup inherited from both parents dictates the dog's potential size, frame, and growth rate. A puppy from larger parentage is likely to be larger.
  2. Nutrition: A balanced diet appropriate for the puppy's age and breed size is critical. High-quality puppy food provides the necessary nutrients for healthy bone and muscle development. Overfeeding can lead to excessive weight gain, while underfeeding can stunt growth.
  3. Health Conditions: Certain health issues, such as parasites, endocrine disorders (like hypothyroidism), or chronic illnesses, can impact a puppy's growth rate and final size. Regular veterinary check-ups are essential to identify and manage these conditions.
  4. Spay/Neuter Status: Research suggests that spaying or neutering a dog, especially before skeletal maturity, can sometimes influence growth plates and potentially lead to slightly taller, lankier dogs, though the impact on overall weight is less pronounced than on frame.
  5. Activity Level and Exercise: While puppies need exercise, excessive or inappropriate exercise during rapid growth phases can potentially affect bone development. Conversely, a very sedentary lifestyle might contribute to obesity later on.
  6. Individual Metabolism: Just like humans, dogs have different metabolic rates. Some puppies naturally process food and grow faster or slower than others, even within the same litter.
  7. Breed Standards vs. Reality: The "Miniature" Australian Shepherd itself is a variation, and within that, there's a range. Some may be closer to the smaller end of the standard, while others might be at the higher end, or even slightly exceed it if they have ancestry from larger dogs.

Frequently Asked Questions (FAQ)

Q1: My puppy's calculated weight is higher than the typical breed standard. Should I worry?
A: A projection slightly above the typical range isn't always cause for alarm. Genetics play a huge role. However, if the projected weight is significantly higher, or if your puppy appears overweight now, consult your veterinarian. They can assess your puppy's body condition score and overall health.
Q2: My puppy is 6 months old and weighs 2.5 kg. The calculator estimates 5.5 kg adult weight. Is this too small?
A: A 6-month-old Mini Aussie weighing 2.5 kg is on the smaller side. The calculator's estimate of 5.5 kg is also below the average range (4.5-6.8 kg). Ensure your puppy is eating a high-quality diet and consult your vet to rule out any underlying health issues contributing to lower weight. They can provide personalized advice.
Q3: How accurate is the Mini Australian Shepherd weight calculator?
A: The calculator provides a useful estimate based on general breed growth patterns. However, it's a simplified model. Actual weight can be influenced by genetics, diet, health, and environment. Consider it a guide, not a definitive prediction.
Q4: Can I use this calculator for a standard Australian Shepherd?
A: No, this calculator is specifically designed for Miniature Australian Shepherds. Standard Australian Shepherds are significantly larger and have different growth rates and final weights. Using this calculator for a standard Aussie would yield inaccurate results.
Q5: My puppy's weight fluctuates slightly day-to-day. Should I average it?
A: Minor daily fluctuations are normal due to hydration and digestion. For the calculator, use a weight taken consistently, ideally after potty breaks and before meals, for the most reliable input. Don't overthink small variations.
Q6: What is the typical adult weight range for a Mini Australian Shepherd?
A: Generally, Miniature Australian Shepherds weigh between 15 to 25 pounds (approximately 6.8 to 11.3 kg), though some sources list a range closer to 4.5-7.7 kg. It's important to consult breed standards and reputable breeder information, as variations exist.
Q7: My puppy seems to be growing very fast. Is that bad?
A: While rapid growth can be exciting, extremely fast growth, especially leading to a very chunky puppy, might not be ideal. It can put stress on developing joints and potentially lead to orthopedic issues later. Ensure their diet is balanced and consult your vet if you have concerns about their body condition.
Q8: When does a Mini Australian Shepherd stop growing?
A: Most Mini Aussies finish their primary growth spurt between 12 to 18 months of age. Some may continue to fill out slightly in terms of muscle mass and chest depth up to 2 years old.

Related Tools and Internal Resources

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var chartInstance = null; // Global variable to hold the chart instance function calculateWeight() { // Clear previous errors document.getElementById('puppyAgeMonthsError').innerText = "; document.getElementById('currentWeightKgError').innerText = "; document.getElementById('growthStageError').innerText = "; // Get input values var puppyAgeMonths = parseFloat(document.getElementById('puppyAgeMonths').value); var currentWeightKg = parseFloat(document.getElementById('currentWeightKg').value); var growthStage = document.getElementById('growthStage').value; // — Input Validation — var isValid = true; if (isNaN(puppyAgeMonths) || puppyAgeMonths < 0) { document.getElementById('puppyAgeMonthsError').innerText = 'Please enter a valid age (0 or greater).'; isValid = false; } if (isNaN(currentWeightKg) || currentWeightKg 15) { // Arbitrary upper limit for a puppy, adjust if needed document.getElementById('currentWeightKgError').innerText = 'Weight seems too high for a typical puppy. Please double check.'; isValid = false; } // Validate growth stage based on age (optional but good practice) if (puppyAgeMonths >= 0 && puppyAgeMonths = 7 && puppyAgeMonths = 13 && growthStage !== 'late') { // console.warn("Growth stage mismatch: Age suggests 'late', but '" + growthStage + "' selected."); } if (!isValid) { document.getElementById('resultsSection').style.display = 'none'; return; } // — Calculation Logic — var growthFactor; var formulaExplanation = "Adult weight is estimated by multiplying the puppy's current weight by a growth factor derived from its age and breed growth stage. This is a simplified model. The early stage uses a higher factor, mid-stage a moderate factor, and late-stage a lower factor."; switch (growthStage) { case 'early': // Early growth (0-6 months) – higher factor if (puppyAgeMonths <= 3) { growthFactor = 2.4; // Higher end for very young } else if (puppyAgeMonths <= 6) { growthFactor = 2.1; // Mid-early } else { growthFactor = 1.9; // Approaching mid-stage } break; case 'mid': // Mid growth (7-12 months) – moderate factor if (puppyAgeMonths <= 9) { growthFactor = 1.8; } else if (puppyAgeMonths <= 12) { growthFactor = 1.6; // Approaching late-stage } else { growthFactor = 1.5; // Slight overlap } break; case 'late': // Late growth (13+ months) – lower factor growthFactor = 1.3; // Finishing growth break; default: growthFactor = 1.7; // Default fallback } // Refine growth factor based on specific age within stage for better granularity if (growthStage === 'early' && puppyAgeMonths < 1) growthFactor = 2.5; else if (growthStage === 'early' && puppyAgeMonths < 2) growthFactor = 2.3; else if (growthStage === 'early' && puppyAgeMonths < 3) growthFactor = 2.2; else if (growthStage === 'early' && puppyAgeMonths < 4) growthFactor = 2.1; else if (growthStage === 'early' && puppyAgeMonths < 5) growthFactor = 2.0; else if (growthStage === 'early' && puppyAgeMonths < 6) growthFactor = 1.9; else if (growthStage === 'mid' && puppyAgeMonths < 7) growthFactor = 1.9; else if (growthStage === 'mid' && puppyAgeMonths < 8) growthFactor = 1.8; else if (growthStage === 'mid' && puppyAgeMonths < 9) growthFactor = 1.7; else if (growthStage === 'mid' && puppyAgeMonth <= 10) growthFactor = 1.6; else if (growthStage === 'mid' && puppyAgeMonth <= 11) growthFactor = 1.5; else if (growthStage === 'mid' && puppyAgeMonth <= 12) growthFactor = 1.4; else if (growthStage === 'late' && puppyAgeMonths < 14) growthFactor = 1.3; else if (growthStage === 'late' && puppyAgeMonths < 16) growthFactor = 1.2; else growthFactor = 1.1; // For very mature dogs var estimatedWeight = currentWeightKg * growthFactor; var estimatedWeightMin = estimatedWeight * 0.9; // +/- 10% for range var estimatedWeightMax = estimatedWeight * 1.1; // Clamp results to reasonable breed ranges if they go too far out var minBreedWeight = 4.5; // kg var maxBreedWeight = 7.7; // kg (upper end of typical, can go slightly higher) estimatedWeightMin = Math.max(minBreedWeight, estimatedWeightMin); estimatedWeightMax = Math.min(maxBreedWeight * 1.15, estimatedWeightMax); // Allow slight overshoot estimatedWeight = (estimatedWeightMin + estimatedWeightMax) / 2; // Recenter if clamped // — Display Results — document.getElementById('primaryResult').innerText = estimatedWeight.toFixed(2) + ' kg'; document.getElementById('estimatedWeightMin').innerHTML = 'Estimated Minimum Adult Weight: ' + estimatedWeightMin.toFixed(2) + ' kg'; document.getElementById('estimatedWeightMax').innerHTML = 'Estimated Maximum Adult Weight: ' + estimatedWeightMax.toFixed(2) + ' kg'; document.getElementById('growthFactorUsed').innerHTML = 'Growth Factor Used: ' + growthFactor.toFixed(2) + ''; document.querySelector('.formula-explanation').innerText = formulaExplanation; document.getElementById('resultsSection').style.display = 'block'; document.getElementById('copyBtn').style.display = 'inline-block'; // Show copy button updateChart(puppyAgeMonths, currentWeightKg, estimatedWeight); } function resetCalculator() { document.getElementById('puppyAgeMonths').value = '3'; document.getElementById('currentWeightKg').value = '2.5'; document.getElementById('growthStage').value = 'early'; // Clear errors document.getElementById('puppyAgeMonthsError').innerText = "; document.getElementById('currentWeightKgError').innerText = "; document.getElementById('growthStageError').innerText = "; document.getElementById('resultsSection').style.display = 'none'; document.getElementById('copyBtn').style.display = 'none'; // Clear chart if (chartInstance) { chartInstance.destroy(); chartInstance = null; } var canvas = document.getElementById('growthChart'); var ctx = canvas.getContext('2d'); ctx.clearRect(0, 0, canvas.width, canvas.height); // Clear canvas } function copyResults() { var mainResult = document.getElementById('primaryResult').innerText; var estimateMin = document.getElementById('estimatedWeightMin').querySelector('span:last-child').innerText; var estimateMax = document.getElementById('estimatedWeightMax').querySelector('span:last-child').innerText; var factor = document.getElementById('growthFactorUsed').querySelector('span:last-child').innerText; var formula = document.querySelector('.formula-explanation').innerText; var copyText = "Mini Australian Shepherd Weight Estimate:\n\n"; copyText += "Estimated Adult Weight: " + mainResult + "\n"; copyText += "Estimated Weight Range: " + estimateMin + " – " + estimateMax + "\n"; copyText += "Growth Factor Applied: " + factor + "\n\n"; copyText += "Calculation Basis: " + formula; navigator.clipboard.writeText(copyText).then(function() { // Optional: Show a confirmation message var originalText = document.getElementById('copyBtn').innerText; document.getElementById('copyBtn').innerText = 'Copied!'; setTimeout(function() { document.getElementById('copyBtn').innerText = originalText; }, 2000); }).catch(function(err) { console.error('Failed to copy text: ', err); // Optional: Show an error message }); } function updateChart(currentAge, currentWeight, estimatedAdultWeight) { var canvas = document.getElementById('growthChart'); var ctx = canvas.getContext('2d'); // Destroy previous chart instance if it exists if (chartInstance) { chartInstance.destroy(); } // Determine typical weight data points up to 18 months var typicalWeights = [ { age: 1, weight: 1.35 }, { age: 2, weight: 2.05 }, { age: 3, weight: 2.7 }, { age: 4, weight: 3.4 }, { age: 5, weight: 4.0 }, { age: 6, weight: 4.5 }, { age: 7, weight: 4.9 }, { age: 8, weight: 5.2 }, { age: 9, weight: 5.5 }, { age: 10, weight: 5.8 }, { age: 11, weight: 6.0 }, { age: 12, weight: 6.2 }, { age: 13, weight: 6.3 }, { age: 14, weight: 6.4 }, { age: 15, weight: 6.5 }, { age: 16, weight: 6.6 }, { age: 17, weight: 6.7 }, { age: 18, weight: 6.8 } ]; // Adjust typical weights slightly for variability var typicalWeightsMin = typicalWeights.map(item => Math.max(0.8, item.weight * 0.9)); // Min range var typicalWeightsMax = typicalWeights.map(item => Math.min(8.0, item.weight * 1.15)); // Max range // Filter typical weights up to a reasonable age for the chart (e.g., 18 months) var chartAgeLimit = 18; var chartTypicalWeights = typicalWeights.filter(d => d.age d.age); // Add current data point if it's within the chart's age range var currentDataPoint = { age: currentAge, weight: currentWeight }; // Prepare data for the chart var chartData = { labels: chartTypicalAges, datasets: [ { label: 'Typical Min Weight (kg)', data: chartTypicalWeightsMin, borderColor: 'rgba(0, 123, 255, 0.6)', // Primary color variation backgroundColor: 'rgba(0, 123, 255, 0.1)', fill: false, tension: 0.1, pointRadius: 4, pointHoverRadius: 6 }, { label: 'Typical Max Weight (kg)', data: chartTypicalWeightsMax, borderColor: 'rgba(255, 193, 7, 0.6)', // Warning color variation backgroundColor: 'rgba(255, 193, 7, 0.1)', fill: false, tension: 0.1, pointRadius: 4, pointHoverRadius: 6 }, { label: 'Your Puppy\'s Current Weight', data: Array(chartTypicalAges.length).fill(null).map((_, i) => { // Find the closest age point or use currentAge if applicable if (chartTypicalAges[i] === currentAge) return currentWeight; if (chartTypicalAges[i] age > currentAge) -1) return currentWeight; // Point before current age return null; // Placeholder for other ages }), borderColor: 'rgba(40, 167, 69, 1)', // Success color backgroundColor: 'rgba(40, 167, 69, 0.5)', fill: false, tension: 0, // Straight line for current point pointRadius: 6, pointHoverRadius: 8, borderDash: [5, 5] // Dashed line for current weight }, { label: 'Estimated Adult Weight', data: Array(chartTypicalAges.length).fill(null).map((_, i) => { // Draw a horizontal line at the estimated adult weight if (chartTypicalAges[i] >= currentAge && chartTypicalAges[i] <= chartAgeLimit) return estimatedAdultWeight; return null; }), borderColor: 'rgba(0, 74, 153, 0.8)', // Primary color backgroundColor: 'rgba(0, 74, 153, 0.2)', fill: false, tension: 0, // Straight line for estimate pointRadius: 0, borderDash: [8, 4], // Dotted line for estimate borderWidth: 2 } ] }; // Add the current data point explicitly if it falls outside the filtered typical ages var currentPointAdded = false; for(var i=0; i<chartData.datasets[2].data.length; i++) { if (chartData.datasets[2].data[i] !== null) { currentPointAdded = true; break; } } if (!currentPointAdded && currentAge <= chartAgeLimit) { chartData.datasets[2].data[chartTypicalAges.indexOf(currentAge)] = currentWeight; } // Ensure the estimated adult weight line extends appropriately for(var i=0; i<chartData.datasets[3].data.length; i++) { if (chartData.datasets[3].data[i] !== null) { chartData.datasets[3].data[i] = estimatedAdultWeight; // Ensure it's consistent } } // Configure chart var chartOptions = { responsive: true, maintainAspectRatio: true, scales: { x: { title: { display: true, text: 'Age (Months)', color: '#004a99', font: { size: 14 } }, ticks: { maxTicksLimit: 12 // Limit number of x-axis ticks } }, y: { title: { display: true, text: 'Weight (kg)', color: '#004a99', font: { size: 14 } }, beginAtZero: true, suggestedMin: 0, suggestedMax: Math.max(8, estimatedAdultWeight * 1.2) // Adjust max based on estimate } }, plugins: { legend: { position: 'top', labels: { font: { size: 12 } } }, tooltip: { callbacks: { label: function(context) { var label = context.dataset.label || ''; if (label) { label += ': '; } if (context.parsed.y !== null) { label += context.parsed.y.toFixed(2) + ' kg'; } return label; } } } } }; // Draw the chart var myChart = new Chart(ctx, { type: 'line', data: chartData, options: chartOptions }); chartInstance = myChart; // Store the instance } // Load Chart.js library dynamically if not present if (typeof Chart === 'undefined') { var script = document.createElement('script'); script.src = 'https://cdn.jsdelivr.net/npm/chart.js@3.7.0/dist/chart.min.js'; script.onload = function() { console.log('Chart.js loaded.'); // Initialize chart with default values or placeholder if needed, or wait for first calculation // updateChart(3, 2.5, 6.0); // Example initial call if desired }; script.onerror = function() { console.error('Failed to load Chart.js library.'); }; document.head.appendChild(script); } else { console.log('Chart.js already loaded.'); // If Chart.js is already loaded (e.g., if script is included in header), // you might want to call updateChart() here with default values or wait for user input. // For this setup, we'll wait for the first calculation. } // Initialize calculator with default values on load document.addEventListener('DOMContentLoaded', function() { resetCalculator(); // Sets default values and hides results });

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